Re: multithreaded zstd backup compression for client and server

Robert Haas <robertmhaas(at)gmail(dot)com> writes:

> This patch contains a trivial adjustment to
> PostgreSQL::Test::Cluster::run_log to make it return a useful value
> instead of not. I think that should be pulled out and committed
> independently regardless of what happens to this patch overall, and
> possibly back-patched.

run_log() is far from the only such method in PostgreSQL::Test::Cluster.
Here's a patch that gives the same treatment to all the methods that
just pass through to the corresponding PostgreSQL::Test::Utils function.

Also attached is a fix a typo in the _get_env doc comment that I noticed
while auditing the return values.

- ilmari